PILOT Elite Ballpoint Pen Junk - With Defects The knock mechanism is not functioning correctly; the pen tip cannot be retracted unless the knock button is pulled. The refill has no ink output. Stationery Collection Writing Instruments Rare Scarce Discontinued Product Vertical Stripes Stripe Showa Retro Made in Japan Knock-type Vintage Food Engraving Type...Ballpoint pen Main body material...Metal